num1 = "100"
num2 = "1.99"

print(type(int(num1)))
print(type(float(num2)))
print(type(float(num1)))

info = 12345
print(type(str(info)))

info1 = [11, "aa", True, 1.88]
print(type(str(info1)))
print(type(tuple(info1)))
# 转换为集合
info2 = [11, 22, 33, 11, 11, 11, 33, 44]
print(set(info2))
print(type(set(info2)))